Seung-Hyeok Kye

activity

20032026

most citedEntangled states with positive partial transpose arising from indecomposable positive linear maps

60 citations · 557 across the 47 of their papers we have counts for

collaborators

Showing 2011Show all

5 papers · 1 filter

quant-ph2011★ 7 cited

Necessary conditions for optimality of decomposable entanglement witnesses

Seung-Hyeok Kye

It is well known that the support of an optimal decomposable entanglement witness is completely entangled. We add two more necessary conditions for the optimality: The orthogonal c…

quant-ph2011★ 37 cited

Entanglement witnesses arising from exposed positive linear maps

Kil-Chan Ha, Seung-Hyeok Kye

We consider entanglement witnesses arising from positive linear maps which generate exposed extremal rays. We show that every entanglement can be detected by one of these witnesses…

quant-ph2011★ 32 cited

One parameter family of indecomposable optimal entanglement witnesses arising from generalized Choi maps

Kil-Chan Ha, Seung-Hyeok Kye

In the recent paper [Chruściński and Wudarski, arXiv:1105.4821], it was conjectured that the entanglement witnesses arising from some generalized Choi maps are optimal. We show tha…

quant-ph2011★ 16 cited

Existence of product vectors and their partial conjugates in a pair of spaces

Young-Hoon Kiem, Seung-Hyeok Kye, Jungseob Lee

Let $D$ and $E$ be subspaces of the tensor product of the $m$ and $n$ dimensional complex spaces, with codimensions $k$ and \ell $, r es p ec t i v e l y . W es h o w t ha t i f$ k+\ell<m+n-2$ then…

math-ph2011

Exposed faces for decomposable positive linear maps arising from completely positive maps

Hyun-Suk Choi, Seung-Hyeok Kye

Let $D$ be a space of $2 \times n$ matrices. Then the face of the cone of all completely positive maps from $M_{2}$ into $M_{n}$ given by $D$ is an exposed face of the bigger cone of al…